Tim Duncan, left, and Kevin Garnett seemingly have been rivals forever. But they aren't even among the five oldest players in the NBA. Flip through this gallery to see the 15 for the 2013-14 season, including both of these guys. Ann Heisenfelt, AP

15. Paul Pierce, Brooklyn Nets. Birth date: Oct. 13, 1977. The longtime Celtics star is a future Hall of Famer who finally is showing his age this season for the Nets. Anthony Gruppuso, USA TODAY Sports

14. Jason Terry, Brooklyn Nets. Birth date: Sept. 15, 1977. Part of the same trade that brought Kevin Garnett and Paul Pierce to Brooklyn, Terry has continued in his role as a sixth man. Anthony Gruppuso, USA TODAY Sports

13. Nazr Mohammed, Chicago Bulls. Birth date: Sept. 5, 1977. The bruising center has been a key reserve for most of his NBA career and continues in that role. Steve Mitchell Steve Mitchell-USA TODAY Sports

12. Manu Ginobili, San Antonio Spurs. Birth date: July 28, 1977. The three-time NBA champion went from the 57th pick of the 1999 draft to a likely Hall of Famer and still is a key player for the undying Spurs. Russell Isabella, USA TODAY Sports

11. Pablo Prigioni, New York Knicks. Birth date: May 17, 1977. The Argentine guard did not even join the NBA until last season after a great career in Europe and now contributes quite a bit for the Knicks. Mary Langenfeld, USA TODAY Sports

Tim Duncan, left, and Kevin Garnett seemingly have been rivals forever. But they aren't even among the five oldest players in the NBA. Flip through this gallery to see the 15 for the 2013-14 season, including both of these guys. Kevin Jairaj, USA TODAY Sports

9. Chauncey Billups, Detroit Pistons. Birth date: Sept. 25, 1976. The 2004 NBA Finals MVP is back with the team he led to a title but has struggled to stay healthy. Kyle Terada, USA TODAY Sports

8. Antawn Jamison, Los Angeles Clippers. Birth date: June 12, 1976. The former All-Star now is resting up early in the season with hopes of getting back on court for the playoffs. Jayne Kamin-Oncea, USA TODAY Sports

7. Kevin Garnett, Brooklyn Nets. Birth date: May 19, 1976. The former MVP was traded this offseason by the Celtics but is trying to keep title aspirations alive. Sam Sharpe, USA TODAY Sports

6. Tim Duncan, San Antonio Spurs. Birth date: April 25, 1976. Duncan has graduated from being the best player in the NBA to being the best old player, still extremely efficient even as his minutes have been cut slightly. Soobum Im, USA TODAY Sports

3. Mike James, Chicago Bulls. Birth date: June 23, 1975. The unbelievably fit point guard took the long way to the NBA the first time and needed a Development League stint to make it back last season. Matt Marton, USA TODAY Sports

2. Derek Fisher, Oklahoma City Thunder. Birth date: Aug. 9, 1974. The five-time champion with the Lakers now plays a bit part for the Thunder. Jeff Roberson, AP